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c749d08542
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429 Commits

Author SHA1 Message Date
Ross Thompson
c749d08542 fixed the read timer issue but we still have problems with interrupts and i/o devices. 2021-08-06 10:16:06 -05:00
Ross Thompson
3582be4dbb Fixed issue with desync of PCW and ExpectedPCW in linux test bench. The ERROR macro had a 10 ns delay which caused the trace to skip 1 instruction. 2021-08-05 16:49:03 -05:00
Ross Thompson
f808b29065 Added some comments to linux testbench. 2021-07-30 17:57:03 -05:00
Ross Thompson
e166cc84ee Patched up changes for wally-pipelined.do and wally-buildroot.do to support moved common testbench files. 2021-07-30 14:24:50 -05:00
Ross Thompson
74fba4bb06 Moved the test bench modules to a common directory. 2021-07-30 14:16:14 -05:00
Ross Thompson
d8878581f4 Created new linux test bench and parsing scripts. 2021-07-29 20:26:50 -05:00
Kip Macsai-Goren
3008111bcd added tests for 64/32 bit pma/pmp checker. They compile, but skip OVPsim simulation. They DO NOT pass regression yet 2021-07-23 16:02:42 -04:00
Kip Macsai-Goren
381a93b45b added sfence to legal instructions, zeroed out rom file to populate for tests 2021-07-23 15:55:08 -04:00
Kip Macsai-Goren
da9ead2d95 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-23 15:16:01 -04:00
bbracker
0e64b99dc0 testbench workaround for QEMU's SSTATUS XLEN bits 2021-07-23 14:00:44 -04:00
Kip Macsai-Goren
52faa22774 include SFENCE.VMA in legal instructions 2021-07-22 20:24:24 -04:00
David Harris
21a65f45cd Partial work on Unpacking exponents to larger word size. FCVT and FMA are presently broken. 2021-07-22 14:18:27 -04:00
bbracker
cca16cc5b4 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-21 20:07:03 -04:00
bbracker
6e460c5032 replace physical address checking with virtual address checking because address translator is broken 2021-07-21 19:47:13 -04:00
Katherine Parry
01f0b4e5df FDIV and FSQRT work 2021-07-21 14:08:14 -04:00
Katherine Parry
b9081e514c FMA parameterized 2021-07-20 22:04:21 -04:00
bbracker
f9b6bd91f5 fix PC checking during InstrPageFault; fix order of S-mode CSR checking; rename peripheral scopes to not be genblk 2021-07-20 17:55:44 -04:00
bbracker
a02694a529 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-20 15:04:13 -04:00
bbracker
a3823ce3a9 commented out old hack that used hardcoded addresses 2021-07-20 15:03:55 -04:00
David Harris
e5e3f5abe6 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-20 14:46:58 -04:00
David Harris
1f3dfa20f6 flag for optional boottim 2021-07-20 14:46:37 -04:00
bbracker
6b72b1f859 ignore mhpmcounters because QEMU doesn't implement them 2021-07-20 13:37:52 -04:00
bbracker
a1ea654b11 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-20 12:08:46 -04:00
David Harris
e1a1a8395e Parameterized I$/D$ configurations and added sanity check assertions in testbench 2021-07-20 08:57:13 -04:00
bbracker
9e658466e6 testbench hack to ignore MTVAL for illegal instr faults; testbench upgrade to not check PCW for illegal instr faults; testbench hack to not check speculative instrs following an MRET (it seems MRET has 1 stage more latency than a branch instr) 2021-07-20 05:40:39 -04:00
bbracker
3b10ea9785 major fixes to CSR checking 2021-07-20 00:22:07 -04:00
bbracker
c1d63fe77c MemRWM shouldn't factor into PCD checking 2021-07-19 18:03:30 -04:00
bbracker
f7d040af1e make testbench ignore MIP because of timing imprecision and because QEMU maybe isn't getting MTIP right anyways 2021-07-19 17:11:42 -04:00
bbracker
65df5c087b adapt testbench to removal of ReadDataWEn signal 2021-07-19 15:42:14 -04:00
bbracker
ae5663a244 adapt testbench to removal of signal 2021-07-19 15:41:50 -04:00
bbracker
cd469035be make testbench check the same CSRs that QEMU logs; change CLINT to reset MTIMECMP to -1 so that we don't instantly get a timer interrupt upon reset 2021-07-19 15:13:03 -04:00
Katherine Parry
c9180f4ebd FDIV and FSQRT passes when simulating in modelsim 2021-07-18 23:00:04 -04:00
bbracker
5e9dcb3f1c linux testbench progress 2021-07-18 18:47:40 -04:00
Katherine Parry
60dabb9094 fdivsqrt inegrated, but not completley working 2021-07-18 14:03:37 -04:00
Ross Thompson
14220684b6 Fixed bug with rv32a/WALLY-LRSC test in imperas. Minor issue. 2021-07-17 21:02:24 -05:00
David Harris
8d348dacce Started atomics 2021-07-17 21:11:41 -04:00
bbracker
82fc766819 swapped out linux testbench signal names 2021-07-17 14:48:12 -04:00
David Harris
87aa527de7 hptw: minor cleanup 2021-07-17 13:40:12 -04:00
David Harris
ef63e1ab52 hptw: factored pregen 2021-07-17 11:11:10 -04:00
David Harris
dac22d5016 Removed more unused signals from ahblite 2021-07-17 02:21:54 -04:00
Kip Macsai-Goren
d10fd25c33 included virtual memory tests in testbench 2021-07-16 17:57:24 -04:00
Ross Thompson
5e18a15a4c Added guide for Ben to do linux conversion. 2021-07-16 15:04:30 -05:00
Ross Thompson
6521d2b468 Also changed the shadow ram's dcache copy widths. 
Merge branch 'dcache' into main
 2021-07-16 14:21:09 -05:00
Ross Thompson
e5d624c1fa Found bug in the PMA such that invalid addresses were sent to the tim. Once addressing this issue the sv48 test fails early with a pma access fault. 2021-07-15 11:56:35 -05:00
Ross Thompson
fa26aec588 Merge branch 'main' into dcache 2021-07-15 11:55:20 -05:00
Ross Thompson
b9902b0560 Fixed how the dcache and page table walker stall cpu so that once a tlb miss occurs the CPU is always stalled until the walk is complete, the tlb updated, and the dcache fetched and hits. 2021-07-15 11:00:42 -05:00
Ross Thompson
704f4f724e dcache STATE_CPU_BUSY needs to assert CommittedM. This is required to ensure a completed memory operation is not bound to an interrupt. ie. MEPC should not be PCM when committed. 2021-07-14 23:08:07 -05:00
Ross Thompson
ba1e1ec231 Finally have the ptw correctly walking through the dcache to update the itlb. 
Still not working fully.
 2021-07-14 22:26:07 -05:00
Katherine Parry
c74d26eea4 Fixed lint warning 2021-07-14 21:24:48 -04:00
Ross Thompson
2c946a282f Fixed d cache not honoring StallW for uncache writes and reads. 2021-07-14 17:23:28 -05:00